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octave    音标拼音: ['ɑktɪv]
音阶

音阶

octave
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octave
n 1: a feast day and the seven days following it
2: a musical interval of eight tones [synonym: {octave}, {musical
octave}]
3: a rhythmic group of eight lines of verse

Octave \Oc"tave\, a.
Consisting of eight; eight. --Dryden.
[1913 Webster]


Octave \Oc"tave\, n. [F., fr. L. octava an eighth, fr. octavus
eighth, fr. octo eight. See {Eight}, and cf. {Octavo},
{Utas}.]
1. The eighth day after a church festival, the festival day
being included; also, the week following a church
festival. "The octaves of Easter." --Jer. Taylor.
[1913 Webster]

2. (Mus.)
(a) The eighth tone in the scale; the interval between one
and eight of the scale, or any interval of equal
length; an interval of five tones and two semitones.
(b) The whole diatonic scale itself.
[1913 Webster]

Note: The ratio of a musical tone to its octave above is 1:2
as regards the number of vibrations producing the
tones.
[1913 Webster]

3. (Poet.) The first two stanzas of a sonnet, consisting of
four verses each; a stanza of eight lines.
[1913 Webster]

With mournful melody it continued this octave. --Sir
P. Sidney.
[1913 Webster]

{Double octave}. (Mus.) See under {Double}.

{Octave flute} (Mus.), a small flute, the tones of which
range an octave higher than those of the German or
ordinary flute; -- called also {piccolo}. See {Piccolo}.
[1913 Webster]

4. A small cask of wine, the eighth part of a pipe.
[1913 Webster]

151 Moby Thesaurus words for "octave":
English horn, Octateuch, Spenserian stanza, antistrophe, bassoon,
block flute, bombard, book, bourdon, burden, canto, cello, chorus,
claribel, clarinet, clarion, concert flute, consecutive intervals,
contraoctave, cornet, cornopean, couplet, cromorna, cymbel, degree,
diapason, diatessaron, diatonic interval, diatonic semitone,
distich, double contraoctave, dulciana, eight,
eighter from Decatur, eighth, enharmonic diesis,
enharmonic interval, envoi, epode, fifth, flute stop,
foundation stop, four-foot octave, four-line octave, fourniture,
fourth, gamba, gedeckt, gemshorn, great octave, half step,
halftone, harmonic flute, heptastich, hexastich, hybrid stop,
interval, koppel flute, larigot, less semitone, line, measure,
melodia, melodic interval, mixture, monostich, mutation stop,
nazard, note, oboe, octad, octagon, octahedron, octameter,
octastich, octastyle, octavo, octet, octonary, octosyllable,
ogdoad, one-line octave, organ stop, ottava, ottava alta,
ottava bassa, ottava rima, parallel octaves, pentastich, piccolo,
plein jeu, posaune, principal, quatrain, quint, quintaten, rank,
ranket, reed stop, refrain, register, rhyme royal, rohr flute,
second, semitone, septet, sesquialtera, sestet, seventh, sextet,
shawm, sixth, small octave, spitz flute, stanza, stave, step, stop,
stopped diapason, stopped flute, strain, string diapason,
string stop, strophe, subcontraoctave, syllable, tercet,
terza rima, tetrastich, third, tierce, tone, tone row, tremolo,
triplet, tristich, trombone, trumpet, twelfth, two-foot octave,
two-line octave, unda maris, unison interval, utas, verse, vibrato,
viola, voix celeste, vox angelica, vox humana, whole step

A high-level {interactive} language by John
W. Eaton, with help from many others, like {MATLAB}, primarily
intended for numerical computations. Octave provides a
convenient {command line interface} for solving linear and
nonlinear problems numerically.

Octave can do arithmetic for {real} and {complex} {scalars}
and {matrices}, solve sets of nonlinear algebraic equations,
integrate functions over finite and infinite intervals, and
integrate systems of ordinary differential and
differential-algebraic equations.

Octave has been compiled and tested with {g} and libg on a
{SPARCstation 2} running {SunOS} 4.1.2, an {IBM} {RS/6000}
running {AIX} 3.2.5, {DEC Alpha} systems running {OSF}/1 1.3
and 3.0, a {DECstation 5000}/240 running {Ultrix} 4.2a, and
{Intel 486} systems running {Linux}. It should work on most
other {Unix} systems with {g} and libg.

Octave is distributed under the {GNU} {General Public
License}. It requires {gnuplot}, a {C} compiler and
{Fortran} compiler or {f2c} translator.

Latest version: 2.0.16 (released 2000-01-30), as of 2000-06-26.

{home (http://che.wisc.edu/octave)}.

{(ftp://ftp.che.wisc.edu/pub/octave/)} or your nearest {GNU
archive site}.

E-mail: .

(2000-06-27)


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  • What is an octave? - Music: Practice Theory Stack Exchange
    The concept of the octave - the recurring cycle of notes as we iterate through the sonic spectrum perceived as octave equivalence - need not be described using only our 8 note division Such differences in how the physical "octave" is delimited highlights what we explained previously: The language of music is not the language of mathematics
  • 相对于 Matlab，Octave如何? - 知乎
    octave唯一的优点也就是占内存小了（< 500M），然而不知是不是安装的姿势不对，每次打开软件 跑个小命令，简直比PS和AE还慢。 Matlab 要流畅很多，而且功能齐全，用的人多所以社区环境好，计量和机器学习包括金融工程都可以，唯一的缺点就是实在太占内存了。
  • Does an accidental apply to all octaves? - Music: Practice Theory . . .
    In Bar 21 of Chopin's waltz in A minor the 8th note in the right hand is an interesting case in that it is a G at the start of an octave higher section which is clearly intended to be a G♯, as the previous occurrence of the note at that position in the stave but not an octave higher - and all the other Gs in the bar - are sharp, but arguably
  • Why are there twelve notes in an octave? - theory
    Well the octave represents a doubling halving of hertz (cycles per second) So, midi middle C is 256 hz, and if you know your computer numbers, you'll realise that the next octave C's are at 512, 1024, 2048, etc and the lower octaves are at 128, 64, and (pimp your ride) 32 Earthquakes, by the way, show up at around 11 hertz
  • tuning - Was the term octave coined after the development of early . . .
    To clarify: I am not asking why an octave is called an octave (meaning eight) if we have 7 notes This is clear My question is about the chronology of a 12 semi-tone tuning system, the use of an 8-note scale (major scale), and the introduction of the word 'octave' to refer to those 8 notes (7 notes + root)
  • Why is a doubling of frequency called an octave?
    Heptatonic (7 notes per octave): the most common modern Western scale Hexatonic (6 notes per octave): common in Western folk music Pentatonic (5 notes per octave): the anhemitonic form (lacking semitones) is common in folk music, especially in Asian music; also known as the "black note" scale
  • Correct octave technique - Music: Practice Theory Stack Exchange
    For example start at the lowest C octave with the left hand and play in octaves C E (up a third) C G (up a fifth) C C (up an octave) C E (up a tenth) etc till you are jumping the from the bottom C octave to the top C Play the octaves staccato, and make sure your hand and wrist relaxes between each octave
  • Simple way to add an additional octave in Musescore?
    Ctrl + Down arrow, This lowers the existing music by an octave, so you get your lower octave for free But now you need back the upper octave; Alt + 8, This adds an octave interval above the notes in the selection, giving you back your upper octave; And there you have it, an upper and lower octave in 3 steps with minimal clicking
  • Technique for octaves on piano without pain?
    To my ear they really only sound like eighth notes at about q=140 I think the idea of playing those notes loudly might be causing your tension problem Thinking of them as piano isn't really going to change the music very much (they are octave-doubled bass notes, after all), but it may change your approach to playing them
  • How do I name the inversion of an augmented octave?
    Simple intervals are defined as the P1 through the P8 An augmented octave is a compound interval Compound intervals are inverted by displacing one of the notes by two octaves or both notes by one octave Thus, given an A8 — say, Db to D — the Db would move up one octave and the D down an octave, forming a diminished octave





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